I pre-compile some jsp files through ant task of jspc,but it built failed. errers: info.jsp(35,2) The attribute prefix fn does not correspond to any imported tag library info.jsp line 35 : <c:if test="${fn:length(requestScope.checkDetailInfoList) gt 1}"> ant task xml: <jasper validateXml="false" uriroot="${basedir}/WebRoot" ...
I used the springmail to send email from my smtp server with the following config: <bean id="springEmailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"> <property name="defaultEncoding" value="UTF-8"/> <property name="host" value="mail.myserver.com"/> <property name="port" value="25"/> <property name="username"...
Let us suppose that I have a thread that consumes items produced by another thread. Its run method is as follows, with inQueue being a BlockingQueue boolean shutdown = false; while (!shutdown) { try { WorkItem w = inQueue.take(); w.consume(); } catch (InterruptedException e) { shutdown = true; } } ...
I would like to know about how to retrieve corresponding xpaths when we input an xml file in java with eclipse platform. For example, <document> <name>xml file</name> <size>12 kb</size> </document> the result is: /document /document/name /document/size ...
I'm new to java, and this question struck me. When you instantiate an object, why do you specify the class twice? OddEven number = new OddEven(); Why can't you just say number = new OddEven();? When I delcare a string, I only say String once: String str = "abc"; Actually, my question is not "why do you do it this way" -- obviously...
I'd like to log or record every time I start an application to gain insight into which applications I use most on my Windows system. I was thinking I could create an event in the event log and listen for it in a .Net program. Questions: Is this the best way to solve this problem? If so, which .Net library should I use? I am also ope...
When i go to the eclipse website (http://www.eclipse.org/downloads/) there are 3 different versions of eclipse for Mac: Carbon 32bit Cocoa 32bit Cocoa 64bit I'm confused about why there are three version and which one i should be using. (I'm running OSX 10.5 on a MBP) ...
Recently I made an autoclicker for a game, which would allow you to use F1 and F2 to turn it on or off, once I finished the application I thought to myself, "oh great, I forgot Java doesn't let you record outside keystrokes and mouse movements", is there any simple non-native ways to do this? Thanks. ...
Hi Have a class: class Node implements Serializable { private String name; public String getName { return name; } public void setName(String val){ name = val; } public Node(){} } @PersistenceCapable(identityType = IdentityType.APPLICATION, detachable="true") class NodeBag implements Serializable { @PrimaryKey ...
I'm running into a problem with a java app constantly throwing: java.lang.NoClassDefFoundError: Could not initialize class java.net.ProxySelector. I am running Suse Linux 10.3 and running java 1.6.0. My CLASSPATH is set to /usr/lib/jvm/jre-1.6.0-openjdk/lib. No other users seem to be having this error so I'm assuming its my ...
I need to have very fast access to a big Map - several millions of entries. Is it worth using an SQLite in-memory database to keep that map as opposed to just having that HashMap in memory? ...
I'm trying to change a BaseGame to a FixedFrameRateGame, and It's saying I need a public GameSettings getNewSettings() method. Now I tried filling out like this: public GameSettings getNewSettings(){ return null; } it gives me a nullpointerexception when I try to run it. ...
I have been using vectors in the past and am very familiar with them. I have heard that ArrayLists are faster and more flexible. I am new to using ArrayLists and Java Generics. I am currently using them as follows and receiving a warning about parametrization (Which I thought I did by declaring them <String>. ArrayList<String> arrayList...
I am using hibernate, trying to simulate 2 concurrent update to the same row in database. Edit: I moved em1.getTransaction().commit to be right after em1.flush(); I am not getting any StaleObjectException, the two transactions committed successfully. Session em1=Manager.sessionFactory.openSession(); Session em2=Manager.sessionFactory....
Hi Geeks, I dont know whats the wroing with the below code.... I am getting input from textbox and putting the input in a string. If the textbox is empty it will return a empty string. In the below code String[] str = new String[9]; for(int i=0;i<9;i++){ if(str[i].equals("")){ System.out.println("set " + cmds[i]...
I want users to be able to log into my website with OpenID, but I don't know which library to use. I know which ones are out there, but I would like to know which one would be best. I'm running JOnAS, but no web framework (no Spring, Struts, GWT, etc.). (Please don't chastise me for not using a web framework. I have my reasons.) For...
I am making a brick game. I want the screen to get clear after every 0.1 second so that i can redraw every thing on the frame screen. Is there any way to directly clear the frame screen without any event occurence?? ...
Hi, I'm looking for a java library thats similar to .NET's Enterprise Library specifically the Data Access block. More details.. working on a java poc and would like a library to build the data access.. no ORM's or something too complicated. The library should be able to use MsSQL as a database. ...
I know that that on can have a class declaration in a method of class. Eg. We can have anonymous class declaration for event handling in a method body. But I want to know that same way can I have Interface declaration in a method in a class. What is use of that? ...
Hi, I am reading the input Excel file and in that i have 1 fields for the address.In that field the special character is coming which is (&).While i am going to parse this character (&) and trying to write it to the XML file at that time the character converts into the (&). I want to remove the translated character (&) from the X...